9. A number of pages ______ (is, are) badly torn.
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8. The New York Times ______ (is, are) published daily.
7. Two-thirds of the people present ______ (is, are) against the plan.
6. He suffers from diabetes, which ______ (is, are) a kind of chronic disease.
5. There ______ (is, are) one apple and three pears in the refrigerator.